CVE-2026-1104: CWE-862 Missing Authorization in ninjateam FastDup – Fastest WordPress Migration & Duplicator
The FastDup – Fastest WordPress Migration & Duplicator plugin for WordPress is vulnerable to unauthorized backup creation and download due to a missing capability check on REST API endpoints in all versions up to, and including, 2.7.1. This makes it possible for authenticated attackers, with Contributor-level access and above, to create and download full-site backup archives containing the entire WordPress installation, including database exports and configuration files.
AI Analysis
Technical Summary
The FastDup WordPress plugin suffers from a missing capability check on its REST API endpoints, classified as CWE-862 (Missing Authorization). This flaw enables authenticated users with relatively low privileges (Contributor and above) to generate and download complete site backups, including critical data such as database exports and configuration files. The vulnerability is present in all versions up to 2.7.1 and has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. No patch or remediation details are currently available, and the plugin is not a cloud service, so remediation depends on vendor updates or manual mitigation.
Potential Impact
An attacker with Contributor-level or higher access can exploit this vulnerability to obtain full backups of the WordPress site, including sensitive database contents and configuration files. This can lead to significant data exposure, potential site compromise, and disruption of service. The high CVSS score (8.8) reflects the critical nature of the confidentiality, integrity, and availability impacts. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict Contributor-level access to trusted users only and monitor plugin updates from ninjateam. Consider disabling or restricting access to the FastDup plugin's REST API endpoints if possible to prevent unauthorized backup creation and download.
CVE-2026-1104: CWE-862 Missing Authorization in ninjateam FastDup – Fastest WordPress Migration & Duplicator
Description
The FastDup – Fastest WordPress Migration & Duplicator plugin for WordPress is vulnerable to unauthorized backup creation and download due to a missing capability check on REST API endpoints in all versions up to, and including, 2.7.1. This makes it possible for authenticated attackers, with Contributor-level access and above, to create and download full-site backup archives containing the entire WordPress installation, including database exports and configuration files.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The FastDup WordPress plugin suffers from a missing capability check on its REST API endpoints, classified as CWE-862 (Missing Authorization). This flaw enables authenticated users with relatively low privileges (Contributor and above) to generate and download complete site backups, including critical data such as database exports and configuration files. The vulnerability is present in all versions up to 2.7.1 and has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. No patch or remediation details are currently available, and the plugin is not a cloud service, so remediation depends on vendor updates or manual mitigation.
Potential Impact
An attacker with Contributor-level or higher access can exploit this vulnerability to obtain full backups of the WordPress site, including sensitive database contents and configuration files. This can lead to significant data exposure, potential site compromise, and disruption of service. The high CVSS score (8.8) reflects the critical nature of the confidentiality, integrity, and availability impacts. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict Contributor-level access to trusted users only and monitor plugin updates from ninjateam. Consider disabling or restricting access to the FastDup plugin's REST API endpoints if possible to prevent unauthorized backup creation and download.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-01-17T01:44:21.479Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 698de86ac9e1ff5ad8e08f98
Added to database: 2/12/2026, 2:49:14 PM
Last enriched: 4/9/2026, 9:56:05 PM
Last updated: 5/13/2026, 6:10:44 AM
Views: 146
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